Patents Assigned to Betzdearborn, Inc.
  • Patent number: 6872230
    Abstract: The present invention relates to additives for enhancing the lubricity of hydrocarbon fuel oils, the inventive additive composition including one or more of the reaction products of (i) an alkylated polyamine and (ii) urea or isocyanate, or the salt adducts of these reaction products. More particularly, the present invention provides for a process for improving the lubricity of hydrocarbon fuel oils, which are low in inherent lubricity due to treatment to reduce sulfur and aromatic components for improved emissions.
    Type: Grant
    Filed: July 16, 2002
    Date of Patent: March 29, 2005
    Assignee: Betzdearborn, Inc.
    Inventors: Collin W. Cross, Zen-Yu Chang, S. Blake Pruett, Alan E. Goliaszewski
  • Publication number: 20040010963
    Abstract: The present invention relates to additives for enhancing the lubricity of hydrocarbon fuel oils, the inventive additive composition including one or more of the reaction products of (i) an alkylated polyamine and (ii) urea or isocyanate, or the salt adducts of these reaction products. More particularly, the present invention provides for a process for improving the lubricity of hydrocarbon fuel oils, which are low in inherent lubricity due to treatment to reduce sulfur and aromatic components for improved emissions.
    Type: Application
    Filed: July 16, 2002
    Publication date: January 22, 2004
    Applicant: BetzDearborn, Inc.
    Inventors: Collin W. Cross, Zen-Yu Chang, S. Blake Pruett, Alan E. Goliaszewski
  • Patent number: 6641754
    Abstract: A method of inhibiting the formation and deposition of scale forming moieties in aqueous systems by adding water-soluble or water-dispersible polymers is disclosed. The method comprises adding to an aqueous system a polymer having repeat units characterized by the Formula I: Wherein E is the repeat unit remaining after polymerization of an ethylenically unsaturated compound; preferably, a carboxylic acid, sulfonic acid, phosphonic acid, or amide form thereof or mixtures thereof. R1 is H or lower (C1-C4)alkyl. G is —CH2— or —CHCH3—; R2 is &Parenopenst;CH2—CH2—O&Parenclosest;n or &Parenopenst;CH2—CHCH3—O&Parenclosest;n where n ranges from about 1 to 100, preferably about 1 to 20. X is an anionic radical selected from the group consisting of SO3, PO3, or COO; Z is H or hydrogens or any water soluble cationic moiety which counterbalances the valence of the anionic radical X, including but not limited to Na, K, Ca, or NH4.
    Type: Grant
    Filed: June 11, 2001
    Date of Patent: November 4, 2003
    Assignee: BetzDearborn Inc.
    Inventors: Kristin E. Buentello, Stephen M. Kessler, Roger C. May, Julie A. Kaechelin, Fu Chen, Natalie A. Kolson
  • Patent number: 6585933
    Abstract: A method and composition for controlling corrosion of metals, particularly ferrous-based metals in contact with aqueous systems is disclosed, which includes treating industrial waters with a combination of a tetrazolium salt of the general formula: where R1, R2 and R3 may be various organic or inorganic substitutents, where n may be 1 or 2, and at least one other aqueous system treatment material.
    Type: Grant
    Filed: May 3, 1999
    Date of Patent: July 1, 2003
    Assignee: BetzDearborn, Inc.
    Inventors: William C. Ehrhardt, Longchun Cheng, Dawn Stasney, Kim A. Whitaker
  • Publication number: 20030052303
    Abstract: A method of inhibiting the formation and deposition of scale forming moieties in aqueous systems by adding water-soluble or water-dispersible polymers is disclosed.
    Type: Application
    Filed: June 11, 2001
    Publication date: March 20, 2003
    Applicant: BetzDearborn Inc.
    Inventors: Kristin E. Buentello, Stephen M. Kessler, Roger C. May, Julie A. Kaechelin, Fu Chen, Natalie A. Kolson
  • Patent number: 6448298
    Abstract: Disclosed are methods and compositions for defoaming alcoholic fermentations. An aqueous composition of polydimethylsiloxane, an ethylene oxide/propylene oxide block copolymer and a silicone/silica blend is employed to treat the fermentation for foaming.
    Type: Grant
    Filed: May 15, 2000
    Date of Patent: September 10, 2002
    Assignee: BetzDearborn, Inc.
    Inventors: Raimundo Romualdo, Claudio Cândido Luiz, Luiz Antonio Fernandes
  • Patent number: 6444747
    Abstract: A water soluble or water dispersible polymer composition is disclosed. The polymer has the repeat units characterized by the formula I: Wherein E is the repeat unit remaining after polymerization of an ethylenically unsaturated compound; preferably, a carboxylic acid, sulfonic acid, phosphonic acid, or amide form thereof or mixtures thereof. R1 is H or lower (C1-C4) alkyl. G is —CH2— or —CHCH3—; R2 is &Parenopenst;CH2—CH2—O&Parenclosest;n or &Parenopenst;CH2—CHCH3—O&Parenclosest;n where n ranges from about 1 to 100, preferably about 1 to 20. X is an anionic radical selected from the group consisting of SO3, PO3, or COO; Z is H or hydrogens or any water soluble cationic moiety which counterbalances the valence of the anionic radical X, including but not limited to Na, K, Ca, or NH4. F, when present, is a repeat unit having the structure of formula II: wherein X and Z are the same as in Formula I. R4 is H or lower (C1-C4) alkyl.
    Type: Grant
    Filed: March 15, 2001
    Date of Patent: September 3, 2002
    Assignee: BetzDearborn Inc.
    Inventors: Fu Chen, Natalie A. Kolson
  • Patent number: 6430249
    Abstract: A novel high-purity polymer dispersant and sludge conditioner added to the feedwater entering the secondary side of a nuclear steam generator for minimizing the accumulation of metal-oxide deposits within the nuclear steam generator during the continuing operation of the generator is disclosed. The high-purity polymer is selected from a group consisting of acrylic acid polymer, methacrylic acid polymer, acrylate polymer, methacrylate polymer, copolymers, and terpolymers, acrylate/acrylamide copolymer, acrylate/methacrylate copolymer, terpolymers, and mixtures thereof. Methods of making and applying the polymer dispersant and sludge conditioner are described. Means for removing the metal oxides and polymer from the blowdown stream are disclosed.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: August 6, 2002
    Assignees: Commonwealth Edison Company, BetzDearborn, Inc.
    Inventors: Phillip M. Egerbrecht, Joseph D. Bates, John A. Kelly, James D. Haff, Ralph Minnis
  • Patent number: 6428597
    Abstract: Methods and compositions for increasing the recovery of precious metals from ore during heap leaching operations are disclosed. The methods add polypropylene glycol and alkylphenol ethoxylate in a paraffin oil solvent with the cyanide lixivant to the ore heap.
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: August 6, 2002
    Assignee: BetzDearborn Inc.
    Inventor: Ricardo A. Cifuentes
  • Patent number: 6418958
    Abstract: A solid chemical feed system, preferably including two feed bowls, comprises a quantity of solid chemicals that dissolve upon immersion in water to form a liquid solution. A sump is provided to receive liquid solution from the feed bowls, the liquid solution with additive chemicals being used as a treatment for cooling towers, boilers, or other industrial processes to inhibit corrosion and rust. The feed system comprises a valve system that is controlled by a sensor that detects the conductivity of the liquid solution to alternatingly switch the introduction of liquid solution from one feed bowl to the other feed bowl. As such, upon depletion of chemical feed in one bowl, desired treatment will continue and the empty bowl may be replaced without disruption of liquid solution supply.
    Type: Grant
    Filed: April 2, 2001
    Date of Patent: July 16, 2002
    Assignee: BetzDearborn, Inc.
    Inventors: Anthony M. Rossi, Kenneth C. Barrett
  • Publication number: 20020084210
    Abstract: A method of inhibiting and/or removing deposits from coke oven gas handling equipment is disclosed which comprises the addition of a treatment combination of a heterocyclic nitrogenous compound such as quinoline and 2-butoxyethanol to the flushing liquor used to cool coke oven effluent gases.
    Type: Application
    Filed: January 30, 2002
    Publication date: July 4, 2002
    Applicant: BetzDearborn Inc.
    Inventors: Patrick J. Doyle, Terrence W. Mattioli, Gary S. Thundercliffe
  • Patent number: 6409799
    Abstract: Methods for enhancing the leaching of copper from copper bearing ores with an aqueous sulfuric acid leach solution are disclosed wherein an antifoam formulation stable at a solution pH of about 1 to 2 is added. A preferred antifoam formulation comprises a glycol ester and an alkyl phenol ethoxylate in a paraffinic oil solvent added to the aqueous sulfuric acid leach solution.
    Type: Grant
    Filed: November 19, 1999
    Date of Patent: June 25, 2002
    Assignee: Betzdearborn Inc. & Corporacion Nacional del Cobre de Chile
    Inventors: Ricardo Arancibia Cifuentes, Donald C. Roe, Jorge Vergara Chavez, Andres Reghezza Inzunza
  • Patent number: 6379587
    Abstract: A method and composition for controlling corrosion of metals, particularly ferrous-based metals in contact with aqueous systems is disclosed, which includes treating industrial waters with a combination of (a) a tetrazolium salt of the general formula: wherein R1, R2 and R3 may be various organic or inorganic substituents, including monomers or oligomers of the above structure, and (b) polyacrylic or polymaleic acid.
    Type: Grant
    Filed: May 3, 1999
    Date of Patent: April 30, 2002
    Assignee: BetzDearborn Inc.
    Inventor: Longchun Chen
  • Patent number: 6375831
    Abstract: A method of inhibiting and/or removing deposits from coke oven gas handling equipment is disclosed which comprises the addition of a treatment combination of a heterocyclic nitrogenous compound such as quinoline and 2-butoxyethanol to the flushing liquor used to cool coke oven effluent gases.
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: April 23, 2002
    Assignee: BetzDearborn Inc.
    Inventors: Patrick J. Doyle, Terrence W. Mattioli, Gary S. Thundercliffe
  • Patent number: 6348440
    Abstract: Methods and compositions for controlling corrosion of high strength steels in the presence of a cleaning solution for removing iron oxide scale from metal surfaces. A benzotriazole or benzimidazole compound is added to a combination of ethoxylated mercaptan and/or oxidized ethoxylated mercaptan and 1-hydroxyethylidene-1,1-diphosphonic acid. The composition is added to an aqueous system, such as a steam generating system, to remove scale from the metal surfaces.
    Type: Grant
    Filed: August 2, 2000
    Date of Patent: February 19, 2002
    Assignee: BetzDearborn Inc.
    Inventors: Donald A. Meskers, Jr., Roger John Arthur Tippett
  • Publication number: 20020012414
    Abstract: A novel high-purity polymer dispersant and sludge conditioner added to the feedwater entering the secondary side of a nuclear steam generator for minimizing the accumulation of metal-oxide deposits within the nuclear steam generator during the continuing operation of the generator is disclosed. The high-purity polymer is selected from a group consisting of acrylic acid polymer, methacrylic acid polymer, acrylate polymer, methacrylate polymer, copolymers, and terpolymers, acrylate/acrylamide copolymer, acrylate/methacrylate copolymer, terpolymers, and mixtures thereof. Methods of making and applying the polymer dispersant and sludge conditioner are described. Means for removing the metal oxides and polymer from the blowdown stream are disclosed.
    Type: Application
    Filed: March 16, 2001
    Publication date: January 31, 2002
    Applicant: Commonwealth Edison Company/BetzDearborn, Inc.
    Inventors: Phillip M. Egebrecht, Joseph D. Bates, John A. Kelly, James D. Haff, Ralph Minnis
  • Publication number: 20020010972
    Abstract: Stabilized metachromatic dyes, especially at application concentrations, comprising metachromatic dyes dissolved in one or more non-aqueous solvents, as well as metachromatic dyes dissolved in pH stabilized aqueous solutions. Also, various combinations of treatments are disclosed for stabilizing metachromatic dyes.
    Type: Application
    Filed: April 17, 2001
    Publication date: January 31, 2002
    Applicant: BETZDEARBORN INC.
    Inventors: Kristin E. Buentello, Larry M. Kye, Elizabeth Yibin Zhang, Victoria Rafalovsky, Alan M. Agree
  • Patent number: 6328943
    Abstract: Methods for inhibiting pyrophoric iron sulfide activity are disclosed. Methods are disclosed for inhibiting the sulfidation of iron oxides to iron sulfides and/or the oxidation of iron sulfide to inhibit pyrophoric activity. The methods comprise contacting iron oxides and/or iron sulfide with a liquid, solution, aerosol, or gaseous inhibitor comprising alkylamines, arylamines, imines; oxygen-containing compounds such as alcohols, aldehydes, esters, acids and ketones; mixed nitrogen-containing and oxygen-containing compounds such as alkanolamines, non-polymeric amides, hydroxylamines, Mannich products, polyisobutylenesuccinimides, oximes; sulfur-containing compounds and phosphorus-containing compounds.
    Type: Grant
    Filed: July 9, 1998
    Date of Patent: December 11, 2001
    Assignee: BetzDearborn Inc.
    Inventors: Paul V. Roling, Wiley L. Parker, Alan E. Goliaszewski, Timothy S. Williams, Bernard C. Groce, Quincy K. A. Sintim
  • Patent number: 6294584
    Abstract: The present invention provides for methods for fumigating soil containing deleterious organisms such as nematodes. The methods utilize an effective amount of acrolein over sole demand for acrolein which when added to the soil will control the organisms but will not exhibit phytotoxicity towards the existing or future plant life.
    Type: Grant
    Filed: January 29, 1999
    Date of Patent: September 25, 2001
    Assignee: Betzdearborn Inc.
    Inventors: Edmund J. Bockowski, Dwight P. Davis
  • Patent number: 6291020
    Abstract: A method of forming a hydrophilic coating on a metal surface which includes contacting the metal surface with a substantially silane-free aqueous solution containing a cationic polymer and an alkaline aqueous silicate.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: September 18, 2001
    Assignee: Betzdearborn Inc.
    Inventors: Jeffrey I. Melzer, Richard J. Sujdak